diff --git a/src/com/android/phone/PhoneInterfaceManager.java b/src/com/android/phone/PhoneInterfaceManager.java
index 301387f..b679ba3 100755
--- a/src/com/android/phone/PhoneInterfaceManager.java
+++ b/src/com/android/phone/PhoneInterfaceManager.java
@@ -5071,21 +5071,81 @@
 
         final long identity = Binder.clearCallingIdentity();
         try {
-            if (DBG) log("setPreferredNetworkType: subId " + subId + " type " + networkType);
-            Boolean success = (Boolean) sendRequest(
-                    CMD_SET_PREFERRED_NETWORK_TYPE, networkType, subId);
-            if (DBG) log("setPreferredNetworkType: " + (success ? "ok" : "fail"));
-            if (success) {
-                Settings.Global.putInt(mApp.getContentResolver(),
-                        Settings.Global.PREFERRED_NETWORK_MODE + subId, networkType);
-            }
-            return success;
+            Settings.Global.putInt(mApp.getContentResolver(),
+                    Settings.Global.PREFERRED_NETWORK_MODE + subId, networkType);
+            return setPreferredNetworkTypesInternal(subId);
         } finally {
             Binder.restoreCallingIdentity(identity);
         }
     }
 
     /**
+     * Get the allowed network types that store in the telephony provider.
+     *
+     * @param subId the id of the subscription.
+     * @return allowedNetworkTypes the allowed network types.
+     */
+    @Override
+    public long getAllowedNetworkTypes(int subId) {
+        TelephonyPermissions
+                .enforeceCallingOrSelfReadPrivilegedPhoneStatePermissionOrCarrierPrivilege(
+                    mApp, subId, "getAllowedNetworkTypes");
+
+        final long identity = Binder.clearCallingIdentity();
+        try {
+            return SubscriptionManager.getLongSubscriptionProperty(
+                    subId, SubscriptionManager.ALLOWED_NETWORK_TYPES, -1, mApp);
+        } finally {
+            Binder.restoreCallingIdentity(identity);
+        }
+    }
+
+    /**
+     * Set the allowed network types.
+     *
+     * @param subId the id of the subscription.
+     * @param allowedNetworkTypes the allowed network types.
+     * @return true on success; false on any failure.
+     */
+    @Override
+    public boolean setAllowedNetworkTypes(int subId, long allowedNetworkTypes) {
+        TelephonyPermissions.enforceCallingOrSelfModifyPermissionOrCarrierPrivilege(
+                mApp, subId, "setAllowedNetworkTypes");
+        final long identity = Binder.clearCallingIdentity();
+        try {
+            SubscriptionManager.setSubscriptionProperty(subId,
+                    SubscriptionManager.ALLOWED_NETWORK_TYPES,
+                    String.valueOf(allowedNetworkTypes));
+            return setPreferredNetworkTypesInternal(subId);
+        } finally {
+            Binder.restoreCallingIdentity(identity);
+        }
+    }
+
+    private boolean setPreferredNetworkTypesInternal(int subId) {
+        long networkTypeBitMask = RadioAccessFamily.getRafFromNetworkType(
+                Settings.Global.getInt(mApp.getContentResolver(),
+                        Settings.Global.PREFERRED_NETWORK_MODE + subId,
+                        RILConstants.PREFERRED_NETWORK_MODE));
+        long allowedNetworkTypes = SubscriptionManager.getLongSubscriptionProperty(
+                subId, SubscriptionManager.ALLOWED_NETWORK_TYPES, -1, mApp);
+        int networkMode = RadioAccessFamily.getNetworkTypeFromRaf(
+                (int) (networkTypeBitMask & allowedNetworkTypes));
+
+        if (DBG) {
+            log("setPreferredNetworkTypesInternal: subId " + subId
+                    + " networkTypes " + networkTypeBitMask
+                    + " allowedNetworkTypes " + allowedNetworkTypes
+                    + " networkMode " + networkMode);
+        }
+
+        Boolean success = (Boolean) sendRequest(
+                CMD_SET_PREFERRED_NETWORK_TYPE, networkMode, subId);
+        if (DBG) log("setPreferredNetworkTypesInternal: " + (success ? "ok" : "fail"));
+        return success;
+    }
+
+    /**
      * Check whether DUN APN is required for tethering with subId.
      *
      * @param subId the id of the subscription to require tethering.